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A go-to resource on best practices for email security, anti-spam trends, product updates and everything in between.

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The Economics of Spam

2 min read

Spam emails, while annoying, are part of a lucrative business model for spammers. The strategy is simple: send millions of emails at a low cost, and profit from the small …

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Industry

Understanding Email Blacklists: Protecting Your Inbox

2 min read

The Basics of Email Blacklists Email blacklists are tools used by email receivers to prevent unwanted or harmful emails from reaching their inbox. They work by blocking IP addresses known …

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Industry

Why Is Your Email to Yahoo! Being Temporarily Deferred?

2 min read

Have you ever encountered the frustrating error message from Yahoo! Mail, “421 4.7.0 [TS01] Messages from [your IP] temporarily deferred due to user complaints”? You’re not alone. Yahoo! Mail, one …

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Industry

Understanding Spam Filtering: Protecting Your Digital Space

3 min read

What is Spam Filtering? Spam filtering is an essential tool in the digital world, designed to identify and block unwanted, unsolicited, and potentially harmful emails known as spam. It serves …

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Industry

Optimizing SMTP Timeouts for Effective Email Delivery

2 min read

The Importance of SMTP Timeouts Email marketers need to configure SMTP timeouts correctly to ensure their emails get delivered through traffic-shaped connections. According to RFC 5321, having a timeout mechanism …

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Industry

10 Reasons to Embrace an SMTP Relay Service

3 min read

In the world of web hosting, ensuring reliable email delivery is a persistent challenge. With spam emails making up a significant portion of email traffic, safeguarding your outbound emails is …

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